### Product TYpe vs log(price_doc)
## no yes
##
## 28817 1654
## no yes
##
## 0.94571888 0.05428112
Extract month from timestamp
###
loading time consuming :(
##
Read 98.5% of 30471 rows
Read 30471 rows and 292 (of 292) columns from 0.043 GB file in 00:00:03
20170502 - end.
Update 20170505 does not make sense to look deeper in test dataset. Todo: independent kernel with lasso, l1, penalized and trees. end.